bash

UserSpaceArduinoUno_via_Ulisp/code/bash_cpu_load/output4.sh

@@ -0,0 +1,31 @@
+#!/bin/bash -x
+COUNTER=0
+while test $COUNTER -lt 1; do  #run forever #this seems to expect a file named 1 in the directory. no idea why. EDIT: that was with counter < 1. must use -lt
+        #if load gt 1, then load == 1
+        LOAD=$(cat /proc/loadavg | cut -c 1-4)
+        FIRSTVAL=$(echo $LOAD | cut -c 1) #check if 1 or higher
+        test $FIRSTVAL == 1;  #is equal to 1?
+                if test $? == 0; then #return value
+                FINALVAL=47
+                fi
+        test $FIRSTVAL > 1;
+                if test $? == 0; then  #if test is succesful, returns zero, so we are looking for a zero
+                FINALVAL=47
+                fi
+        test $FIRSTVAL < 1;
+                if test $? == 0; then  #i know this isn't efficient. could combine if else. dont care.
+                FINALVAL=$(echo $LOAD | cut -c 3-4)
+                fi
+        echo $FINALVAL
+        #otherwise load x 47 == VAL
+        DIVIDEBYTWO=$(expr $FINALVAL / 2) #must be space between / and numbers
+#       if test $DIVIDEBYTWO > 50; then #hmmm... needs -gt not >
+#               DIVIDEBYTWO=50;
+#               fi
+#       echo "DIVIDEBY TWO IS: $DIVIDEBYTWO"
+#seems to need a space after the first funct. parenthesis, and the call to function
+        echo "(defun gopher ()   (with-i2c (str 96)     (write-byte #x40 str)     (write-byte $DIVIDEBYTWO str)     (write-byte #x00 str))) (gopher)" > /dev/ttyUS>
+#       echo " (gopher)" > /dev/ttyUSB0
+        sleep 5
+done
+